I love to use pistol in pr, when i'm entering in
buildings, or im small places i rather use the pistol
than my scoped rifle...

As i said before, the pistol is a effective weapon when
you know how to use it.

But theres an error with their sight's, the shots always hit
above the circle of the aim, not inside of it...

...That's what happens in real life...On pistols, you aim below of the area you want to hit, you don't put the aiming aids (circles) right on the area you want to hit...It's not an error, that's how it is in RL.

Although they may be weak, they still do their job. today i was playing with my clan and we stormed into a building where they were hiding. our sl emptied one clip killing two guys and wounding a third.

I put a 5 pistol rounds into someone's face and he decided to shoot me in the legs and I became black and white. At least I killed him on the 6th round.

I'd say aim for center mass, 5 chest shots kill a guy and the chest is harder to miss. As has been pointed out, you hit a little higher than you aim with the pistol (which isn't unrealistic, since you wouldn't see the target otherwise), and additionally, I suspect the head hitboxes to be relatively small, so it might even look like a hit without being one. One headshot with any weapon does take you out currently at anything but long range.

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Accounts of insurgents being high (accounts in Fallujah and all over Astan explain insurgents that were high took up to 30 556 rounds to kill which is more deadly than the 9mm(also read Jason Dunhams MOH citation)), the crappy small round, and the fact that you can easily be stripped from your hands in CQC.

Another prime example of the crappy stopping power, police have problems dropping suspects all the time and not to mention...... 50 cent being shot in the chest all those times with the 9 and he survived....

IRL dont clear with your side arm... in game (never tried it) but i stick with rifle and it works just fine for me. If you cant drop someone with the pistol right away maybe thats the devs tryig to get it straight with the stopping power.